package com.example.rabbitmqdemo.hellorabbitmq;

import com.rabbitmq.client.*;

import java.io.IOException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

public class RabbitMQConsumer {
    private static final String QUEUE_NAME = "queue_demo";
    private static final String IP_ADDRESS = "192.168.137.2";
    private static final int PORT = 5672;

    public static void main(String[] args) throws IOException, TimeoutException, InterruptedException {
        Address[] addresses = new Address[]{
                new Address(IP_ADDRESS, PORT)
        };
        ConnectionFactory factory = new ConnectionFactory();
        factory.setUsername("root");
        factory.setPassword("root");
        factory.setVirtualHost("/"); //默认 是  "/"
        Connection connection = factory.newConnection(addresses);
        Channel channel = connection.createChannel();
        channel.basicQos(64); // 设置客户端最多接收未被ack的消息的个数
        Consumer consumer = new DefaultConsumer(channel) {
            @Override
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
                System.out.println("recv message: " + new String(body));
                try {
                    TimeUnit.SECONDS.sleep(1);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        };
        // push
        channel.basicConsume(QUEUE_NAME, consumer);
//        TimeUnit.SECONDS.sleep(5);
//        channel.close();
//        connection.close();
    }
}
